India’s prime minister Narendra Modi made an official commitment towards the launch of the country’s first National Energy Storage Mission yesterday at a ministerial event also attended by the UN Secretary General, Antonio Guterres.

The potential for storage to help stabilise the grid has finally been recognised in the UK, where battery projects took all of the 200MW on offer in a recent frequency response tender. David Pickup looks at the evolving role of storage in the future grid and how further policy support can help it flourish.